Recent discoveries in Kenya reveal fossilized footprints from two different hominid species, Homo erectus and Paranthropus boisei, providing the first direct evidence of their coexistence 1.5 million years ago. An international research team analyzed the tracks, preserving details about the individuals’ sizes and weights. The findings suggest that the species shared the same region during a critical period in human evolution, significantly advancing our understanding of early human ancestors and their environments.

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